Continental Drift Youtube Lecture Handouts

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Continental Drift

Abraham Ortelius in 1596

Alfred Wegener in 1912

“Die Entstehung der Kontinente and Ozeane”

Translated in English in 1924

Plate tectonics theory in 1960’s

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  • Alfred Wegener proposed Continental Drift Theory

  • Proposed that continents had once joined, and drifted apart.

  • Jigsaw fit can be seen from map of soil types below.

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Process of Theory

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Criticism of Theory

  • Lack of a mechanism.

  • But had evidence

    • Jigsaw fit of the continents

    • Coal deposits, commonly associated with tropical climate found near the North Pole

    • Plains of Africa would show evidence of glaciation.

    • Fossils of exactly the same species were distributed